31656240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1$

素因数の和:608

約数の個数: 240

約数和(自身を含む): 132777216

約数和(自身を除く): 101120976

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 165, 168, 176, 180, 198, 210, 220, 231, 240, 252, 264, 280, 308, 315, 330, 336, 360, 385, 396, 420, 440, 462, 495, 504, 528, 560, 571, 616, 630, 660, 693, 720, 770, 792, 840, 880, 924, 990, 1008, 1142, 1155, 1232, 1260, 1320, 1386, 1540, 1584, 1680, 1713, 1848, 1980, 2284, 2310, 2520, 2640, 2772, 2855, 3080, 3426, 3465, 3696, 3960, 3997, 4568, 4620, 5040, 5139, 5544, 5710, 6160, 6281, 6852, 6930, 7920, 7994, 8565, 9136, 9240, 10278, 11088, 11420, 11991, 12562, 13704, 13860, 15988, 17130, 18480, 18843, 19985, 20556, 22840, 23982, 25124, 25695, 27408, 27720, 31405, 31976, 34260, 35973, 37686, 39970, 41112, 43967, 45680, 47964, 50248, 51390, 55440, 56529, 59955, 62810, 63952, 68520, 71946, 75372, 79940, 82224, 87934, 94215, 95928, 100496, 102780, 113058, 119910, 125620, 131901, 137040, 143892, 150744, 159880, 175868, 179865, 188430, 191856, 205560, 219835, 226116, 239820, 251240, 263802, 282645, 287784, 301488, 319760, 351736, 359730, 376860, 395703, 411120, 439670, 452232, 479640, 502480, 527604, 565290, 575568, 659505, 703472, 719460, 753720, 791406, 879340, 904464, 959280, 1055208, 1130580, 1319010, 1438920, 1507440, 1582812, 1758680, 1978515, 2110416, 2261160, 2638020, 2877840, 3165624, 3517360, 3957030, 4522320, 5276040, 6331248, 7914060, 10552080, 15828120, 31656240]

約数ペア:

[(1, 31656240), (2, 15828120), (3, 10552080), (4, 7914060), (5, 6331248), (6, 5276040), (7, 4522320), (8, 3957030), (9, 3517360), (10, 3165624), (11, 2877840), (12, 2638020), (14, 2261160), (15, 2110416), (16, 1978515), (18, 1758680), (20, 1582812), (21, 1507440), (22, 1438920), (24, 1319010), (28, 1130580), (30, 1055208), (33, 959280), (35, 904464), (36, 879340), (40, 791406), (42, 753720), (44, 719460), (45, 703472), (48, 659505), (55, 575568), (56, 565290), (60, 527604), (63, 502480), (66, 479640), (70, 452232), (72, 439670), (77, 411120), (80, 395703), (84, 376860), (88, 359730), (90, 351736), (99, 319760), (105, 301488), (110, 287784), (112, 282645), (120, 263802), (126, 251240), (132, 239820), (140, 226116), (144, 219835), (154, 205560), (165, 191856), (168, 188430), (176, 179865), (180, 175868), (198, 159880), (210, 150744), (220, 143892), (231, 137040), (240, 131901), (252, 125620), (264, 119910), (280, 113058), (308, 102780), (315, 100496), (330, 95928), (336, 94215), (360, 87934), (385, 82224), (396, 79940), (420, 75372), (440, 71946), (462, 68520), (495, 63952), (504, 62810), (528, 59955), (560, 56529), (571, 55440), (616, 51390), (630, 50248), (660, 47964), (693, 45680), (720, 43967), (770, 41112), (792, 39970), (840, 37686), (880, 35973), (924, 34260), (990, 31976), (1008, 31405), (1142, 27720), (1155, 27408), (1232, 25695), (1260, 25124), (1320, 23982), (1386, 22840), (1540, 20556), (1584, 19985), (1680, 18843), (1713, 18480), (1848, 17130), (1980, 15988), (2284, 13860), (2310, 13704), (2520, 12562), (2640, 11991), (2772, 11420), (2855, 11088), (3080, 10278), (3426, 9240), (3465, 9136), (3696, 8565), (3960, 7994), (3997, 7920), (4568, 6930), (4620, 6852), (5040, 6281), (5139, 6160), (5544, 5710)]